Finding the Fourth Proportional to 1,516.34, 2,091.60 and 1,043.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.34 : 2,091.60 = 1,043.42 : x
2. Step 2: Convert to fraction form
   1,516.34/2,091.60 = 1,043.42/x
3. Step 3: Cross multiply
   1,516.34x = 2,091.60 × 1,043.42
4. Step 4: Simplify right side
   1,516.34x = 2,182,417.27
5. Step 5: Solve for x
   x = 2,182,417.27/1,516.34
6. Step 6: Final answer
   x = 1,439.27